From 89617dfa6fb4f46b10d891afa4d2e9d9502e79c1 Mon Sep 17 00:00:00 2001
From: Ewoud Kohl van Wijngaarden <ewoud@kohlvanwijngaarden.nl>
Date: Dec 21 2021 15:20:57 +0000
Subject: Add back Fedora < 32, EL7 and EL8 instructions


While Fedora < 32 is not relevant since it's unsupported, EL7 and EL8
are due to EPEL. Ideally speaking the macro would be available there as
well, but this fills the gap for now.

---

diff --git a/guidelines/modules/ROOT/pages/UsersAndGroups.adoc b/guidelines/modules/ROOT/pages/UsersAndGroups.adoc
index 8c8f3fc..2abadff 100644
--- a/guidelines/modules/ROOT/pages/UsersAndGroups.adoc
+++ b/guidelines/modules/ROOT/pages/UsersAndGroups.adoc
@@ -135,6 +135,8 @@ In these cases, apply only the `+groupadd+` parts of the below recipes.
 
 === Dynamic allocation
 
+==== Fedora >= 32
+
 To create users and groups in packages using dynamic allocation, do the following:
 
 Create a `<package-name>.sysusers` file with the user definition and add it to the specfile as a source.
@@ -165,6 +167,23 @@ install -p -D -m 0644 %{SOURCE3} %{buildroot}%{_sysusersdir}/munge.conf
 [...]
 ```
 
+==== Fedora < 32, EL7 and EL8
+
+In older versions the `%sysusers_create_compat` macro is unavailable.
+To create users and groups in packages using dynamic allocation, use the following:
+
+....
+Requires(pre): shadow-utils
+[...]
+
+%pre
+getent group GROUPNAME >/dev/null || groupadd -r GROUPNAME
+getent passwd USERNAME >/dev/null || \
+    useradd -r -g GROUPNAME -d HOMEDIR -s /sbin/nologin \
+    -c "Useful comment about the purpose of this account" USERNAME
+exit 0
+....
+
 === Soft static allocation
 
 To allocate a UID and/or GID,